From: Pan Xinhui Date: Tue, 7 Jul 2015 12:43:26 +0000 (+0800) Subject: acpi-cpufreq: replace per_cpu with driver_data of policy X-Git-Tag: omap-for-v4.3/fixes-rc1~121^2~4^2~31^2~21 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb0b3e78e6290e5a1bf970830939d5c8c9151892;p=pandora-kernel.git acpi-cpufreq: replace per_cpu with driver_data of policy Drivers can store their internal per-policy information in policy->driver_data, lets use it. we have benefits after this replacing. 1) memory saving. 2) policy is shared by several cpus, per_cpu seems not correct. using *driver_data* is more reasonable. 3) fix a memory leak in acpi_cpufreq_cpu_exit. as policy->cpu might change during cpu hotplug. So sometimes we cant't free *data*, use *driver_data* to fix it. 4) fix a zero return value of get_cur_freq_on_cpu. Only per_cpu of policy->cpu is set to *data*, if we try to get cpufreq on other cpus, we get zero instead of correct values. Use *driver_data* to fix it. Signed-off-by: Pan Xinhui Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- Reading git-diff-tree failed